On 1996-1997 episodes, the theme song had the first 5 seconds removed, and it fades in.

On 1997-2000 episodes, the theme song's speed went down by 5, and was completely re-orchestrated, now using piano, brass, and electric guitars. Click here to listen.

On 2000-2001 episodes, the theme song had the first 6 seconds removed, and a wind blowing sound is heard.

On 2001-2005 episodes, the theme song's speed went up by 5, the instruments get re-orchestrated, and now has a middle section where parts of the main melodies are played with variation before the main melodies return. In both the middle section and the end, there are saxophones and electric guitars playing riffs over the melodies. There were two versions of the theme. One had an introduction similar to the 1997 theme and was used for most road shows from 2001-2006, starting with the Celebrity games and International Tournament taped in Las Vegas and aired February 2001. The other version, with a shortened introduction, was used for regular shows starting with the episode aired April 23, 2001. Click here to listen. There was also a vamp of theme in which there were no saxophones or electric guitars, which was heard during the end credits from 2001-2005.

On 2005-2008 episodes, the version with saxophones and guitars played during the end credits. Click here to listen.

On 2008-present episodes, the theme song played differently and wasn't like the other theme songs from 1984 to 2008, but was played in a similar vein as the 1984-1997 theme. For a short time during the beginning of Season 25, electric guitars were only used midway through the song and near the end. Click here to listen. Since about a few weeks into the 25th season, electric guitars have been used for the entirety of the theme song. Click here to listen. However, the first version of the current theme continues to play during the end credits to this day.

From 1964-1975 & 1984-1997, the original Final Jeopardy! "Think!" music consisted of a celesta lead in the first verse and a flute lead in the second verse, with timpani hitting the final two notes. Click here to listen.

September 1-12, 1997, the "Think!" cue had only a piano lead for early Season 14 episodes. Click here to listen.

From September 15, 1997, to July 25, 2008, the think music was changed to have a piano lead in the first verse and a trumpet lead in the second verse. Click here to listen.

From September 8 to October 10, 2008, the Final Jeopardy! "Think!" music used for the 1st 25 episodes now had a French horn lead with the piano and flute doubling in octaves, accompanied by loud tick-tock percussion; fans called this version the "leaky faucet". Now, both the timpani and pizzicato strings play the last two notes. Click here to listen.

Since October 13, 2008 episode, Jeopardy's think music was rerecorded to have a more prominent piano lead and de-emphasizing the "leaky faucet" percussion. This alternated with the other one and then replaced it. Click here to listen.

In addition, the music from Rock & Roll Jeopardy! has been used going into and coming out of commercial breaks during the College Championship, Kids Week episodes, and Teen Tournaments since Season 20.

In 2006, it was used during Celebrity episodes.

Starting in 2007 and lasting into today, it was used during the introductions.

The 2000-A College Championship and the 2008-B Teen Tournament used it during the Final Jeopardy! round. When the music from that game show was first used, for in and out the commercial breaks, the commercial cues would be heard.

Starting from the 2005 College Championship, when coming out of a break, the ending part of one of the commercial cues would be heard. The prize cue can also be heard when out the commercial break for the Double Jeopardy! round.